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Head & Neck Anatomy
Head and neck anatomy, head, skull, vasculature and nerves of face
62
Anatomy
Graduate
02/08/2010

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Cards

Term
Contents of the Infratemporal Fossa? (4)
Definition
Muscles of mastication, V3 and assc. autonomics, maxillary artery and its branches, pterygoid plexus of veins.
Term
Which ganglion tells you pulp of tooth pain?
Definition
Trigeminal
Term
Taste bud sensory?
Definition
Geniculate ganglion
Term
Motor to masseter?
Definition
Motor nucleus of V (Trigeminal)
Term
Motor to mentalis?
Definition
Motor nucleus of VII (Facial)
Term
Parasym. Superior salivatory nucleus (VII) goes thru what in the PNS and ends where?
Definition
Submandibular ganglion of the PNS and effects submandibular and sublingual glands
Term
Parasym. Inferior salivatory nuclues (IX) goes thru what in the PNS and ends where?
Definition
otic ganglion and effects the parotid gland
Term
Motor portion of V3 supplies which muscles? (Hint: they are 1st Pharyngeal Arch derivatives)
Definition
1. temporalis, ant. and post. deep temporal nerves 2. masster, masseteric nerve 3. medial pterygoid, medial pterygoid nerve 4. lateral pterygoid, later pterygoid nerve 5. Ant. belly of the digastric, mylohyoid nerve 6. mylohyoid, mylohyoid nerve 7. tensor tympani, tensor palati 8. tensor veli palatini, tensor palati
Term
[Sensory of V3] Meningeal Branch?
Definition
re-enters the skull through the foramen spinosum. supplies a portion of the dura
Term
[Sensory of V3] Auriculotemperal nerve?
Definition
splits around middle meningeal artery, passes btwn sphenomandibular ligament and neck of mandible and supplies TMJ, sensory to parotid, passes anterior to the external ear and supplies part of it and the temporal region.
Term
[Sensory of V3] Inferior Alveolar Nerve?
Definition
lies btwn the sphenomandibular ligament and ramus of mandible, passes into mandibular foramen and travels in the mandibular canal, splits within the mandibular canal into mental and incisive branches, supplies all mandibular teeth by dental branches and supporting structures (including PDL) by interdental branches - to the midline
Term
[Sensory of V3] Mental Nerve?
Definition
The mental brach exits the mandibular canal at about 2nd premolar through the mental foramen, supplies facial gingiva over incisors, canines and premolars (gingival branches), the skin of chin (mental branches) and the lower lip (inferior labial branches)
Term
[Sensory of V3] Mylohyoid Nerve?
Definition
May in some people carry some sensory fibers to teeth. If this occurs, most often to 2nd premolar and 1st molar
Term
[Sensory of V3] Buccal nerve (Long Buccal)?
Definition
passes btwn the two heads of the lateral pterygoid muscle, sensory innervation of the skin of the cheek, facial gingiva over the mandibular molars and pierces the buccinator to supply the mucosa of the cheek.
Term
[Sensory of V3] Lingual Nerve?
Definition
lies just anterior to inferior alveolar, enters oral cavity through triangle (lateral- ramus of mandible, superior- superior pharyngeal constrictor muscle, inferior- medial pterygoid muscle) lies in contact with mandible at lingual tuberosity, in the third molar region, crosses the submandibular duct to lateral, then loops under duct and crosses submandibular duct to medial, farther anteriorly, as it goes to tongue, supplies general sensation to anterior 2/3 of tongue, lingual gingiva of all mandibular teeth, and the florr of the mouth (alveololingual sulcus) - to midline.
Term
Facial Nerve (VII)?
Definition
Motor to 2nd branchial arch muscles; stapedius (in the ear) and then stylohyoid, posterior belly of digastric, and muscles of facial expression after it leaves skull. VII also sensory, parasym. and special sensory (taste)
Term
Contents of the PMS? (7)
Definition
1. (Long) Buccal nerve, lingual nerve, inferior alveolar nerve, inferior alveolar artery and vein, companion artery of the lingual nerve, auriculotemperal nerve (rarely), sphenomandibular ligament
Term
Two bones of the TMJ?
Definition
Temporal bone and condyle of mandible
Term
What type of cartilage is the TMJ?
Definition
fibrocartilage or fibrous connective tissue
Term
What is the nerve supply to the TMJ?
Definition
auriculotemporal nerve (pain fibers and some proprioception)
Term
What is the blood supply to the TMJ?
Definition
Branches of the superficial temporal and maxillary arteries, especially ANTERIOR TYMPANIC BRANCH of maxillary.
Term
Intrinsic ligament of the TMJ?
Definition
lateral ligament (mandible and articular tubercle. prevents posterior and inferior movement)
Term
Extrinsic accessory ligaments?
Definition
Sphenomandibular - from the spine of sphenoid bone to lingula of the mandible (remnant of Meckel's cartilage)
Stylomandibular - styloid process to angle of the mandible.
Both are more important to limiting movement.
Term
Which axial surfaces is the TMJ articular disc tightly attached?
Definition
medial and lateral
Term
The inferior compartment of the TMJ is capable of what movement?
Definition
Rotation
Term
The superior compartment is capable of what movement?
Definition
Translation
Term
Capsule in the upper compartment is ________, and in the lower compartment, the capsule is ________.
Definition
very loose, very tight
Term
Initial opening is what movement?
Definition
rotation
Term
What body structures limit initial opening movement?
Definition
tympanic plate, the parotid gland, and the retrodiscal pad.
Term
Further opening is completed by what movement?
Definition
the condyle and disc TRANSLATE anteriorly as a unit onto and down the articular eminance
Term
What muscle starts initial opening and what is its TMJ movement?
Definition
Lateral pterygoid and rotation.
Term
Dislocations of the teeth always occur in which direction?
Definition
anteriorly
Term
Which direction does the jaw float in a unilateral dislocation?
Definition
Away from active side
Term
Which direction does the jaw float during ankylosis?
Definition
Towards the active side.
Term
What does the Inferior Alveolar nerve supply?
Definition
teeth, and supporting structures of that side
Term
What does the mental nerve supply?
Definition
Skin of chin, lower lip, and facial gingiva (from foramen to midline)
Term
What does the lingual nerve supply?
Definition
Lingual gingiva, anterior 2/3 of the tongue, and alveololingual sulcus
Term
What does the (long) Buccal nerve supply?
Definition
buccal gingiva of mandibular molars and cheek mucosa
Term
Means of injection of the anesthetic agent in the proximity of the nerve trunk is what?
Definition
Block anesthesia
Term
Injection of anesthesia into a small area and the nerve endings in that isolated area are anesthetized is what?
Definition
Local infiltration
Term
Components of the SCALP?
Definition
skin, connective tissue, aponeurosis, loose alveolar connective tissue, periosteum
Term
Nerves of the scalp? (7)
Definition
Supratrochlear (V1), Supraorbital (V1), Zygomaticotemporal (V2), Auriculotemporal (V3), Lesser Occipital (C2), Greater Occipital Nerve (C2), Third Occipital Nerve (C3)
Term
Arteries of the scalp? (5)
Definition
Supratrochlear, supraorbital, superficial temporal, posterior auricular, occiptal.
Term
Which nerve innervates muscles of facial expression?
Definition
VII - facial nerve
Term
Name the muscles of facial expression? (10)
Definition
Orbicularis Oris, Depressor Labii Inferioris, depressor anguli oris, levator labii superficialis, levator labii superficialis alaeque nasi, buccinator, risorius, mentalis, levator anguli oris, zygomaticus major.
Term
Nasal group muscles? (4)
Definition
Nasalis (compressor and dilator), procerus, depressor septi
Term
orbital group muscles? (4)
Definition
corrugator superchilii, orbicularis oculi -- orbital, palpebral, lacrimal
Term
Scalp muscles? (2)
Definition
Occipitofrontalis - frontalis and occipitalis
Term
Auricular group muscles? (3)
Definition
ant., post., sup. auricularis
Term
Sensory to the face are from what nerves? (3)
Definition
Trigeminal (v1,2,3), great auricular (c2,3), transverse cervical nerve (c2,3)
Term
Sensory to face. Trigeminal assc. with V1.
Definition
Supraorbital, Lacrimal, infratrochlear, external nasal, supratrochlear. (SLIES)
Term
Sensory to face. Trigeminal assc. with V2.
Definition
Zygomaticotemporal, infraorbital, zygomaticofacial (ZIZ)
Term
Sensory to face. Trigeminal assc. with V3.
Definition
Buccal, auriculotemporal, mental (BAM)
Term
What is the terminal branch of the maxillary branch of the trigeminal?
Definition
infraorbital
Term
Great auricular nerve comes from what vertebral levels?
Definition
c2,3
Term
transverse cervical nerve comes from what vertebral levels?
Definition
c2,3
Term
Buccal of trigeminal is _______, buccal of facial is _______.
Definition
sensory, motor.
Term
Parotid is innervated by which nerve?
Definition
IX, glossopharyngeal (secretomotor innervation)
Term
Superficial drainage veins of face?(9)
Definition
supraorbital, supratrochlear, angular, facial -- superior labial, inferior labial, nasal branches, superficial temporal, transverse facial, retromandibular (& branches)
Term
Deep drainage veins of face? (2)
Definition
cavernous sinus, pterygoid plexus
Term
Communicating veins of face? (3)
Definition
superior and inferior opthalmic, infraoprbital, deep facial
Term
Where is the cavernous sinus located?
Definition
By the pituitary
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